https://bugs.documentfoundation.org/show_bug.cgi?id=150384

            Bug ID: 150384
           Summary: Perf: scrolling a large arabic RTL document in
                    multipage view is slower compared to Latin LTR
           Product: LibreOffice
           Version: 7.5.0.0 alpha0+ Master
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Writer
          Assignee: libreoffice-bugs@lists.freedesktop.org
          Reporter: tele...@surfxs.nl

Description:
Perf: scrolling a large arabic RTL document in multipage view is slower
compared to Latin LTR

Steps to Reproduce:
1. Open attachment 181658
2. Go to multipage view, zoom out so at minimum 6 pages fit on screen (sidebar
can be closed)
3. Scroll the document with scroll-wheel (laggy)
4. Open some big file for comparison. Like Writer Manual:
https://nextcloud.documentfoundation.org/s/G3DqCoDE9bxQ2m2/download?path=%2F&files=WG73-WriterGuide.odt&downloadStartSecret=20ftbxb5z6z
5. Set it again to multi-page view; 6 pages and scroll

Actual Results:
Performance is slowish

Expected Results:
Current is not bad, but there is room for improvement


Reproducible: Always


User Profile Reset: No



Additional Info:
Version: 7.5.0.0.alpha0+ (x64) / LibreOffice Community
Build ID: 86b2bfd34a4f07c54f03c8c8dfe48e0810834628
CPU threads: 4; OS: Windows 6.3 Build 9600; UI render: Skia/Raster; VCL: win
Locale: nl-NL (nl_NL); UI: en-US
Calc: CL

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